Pipetting apparatus



FIG. 1 is a perspective view of a pipetting apparatus showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof (the other side elevational view is a mirror image of FIG. 4);

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of second embodiment of the pipetting apparatus; and,

FIG. 8 is a perspective view of a third embodiment of the pipetting apparatus.

The broken lines showing a pipette tube and orifice, upper controls, turn grips and circular fasteners are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pipetting apparatus, as shown and described. 